Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 15, issue 8
Articles | Volume 15, issue 8
https://doi.org/10.5194/amt-15-2547-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-15-2547-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 8
Research article
 | 
27 Apr 2022
Research article |  | 27 Apr 2022

An instrument for direct measurement of emissions: cooling tower example

Christopher D. Wallis, Mason D. Leandro, Patrick Y. Chuang, and Anthony S. Wexler

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Cited articles

Bachalo, W.: Spray diagnostics for the twenty-first century, Atomization Spray., 10, 439–474, 2000. 
Bachalo, W. D. and Houser, M. J.: Phase/Doppler spray analyzer for simultaneous measurements of drop size and velocity distributions, Opt. Eng., 23, 235583, https://doi.org/10.1117/12.7973341, 1984. 
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Chuang, P. Y., Saw, E. W., Small, J. D., Shaw, R. A., Sipperley, C. M., Payne, G. A., and Bachalo, W. D.: Airborne Phase Doppler Interferometry for Cloud Microphysical Measurements, Aerosol Sci. Tech. 42, 685–703, https://doi.org/10.1080/02786820802232956, 2008. 
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Measuring emissions from stacks requires techniques to address a broad range of conditions and measurement challenges. Here we describe an instrument package held by a crane above a stack to characterize both wet droplet and dried aerosol emissions from cooling tower spray drift in situ. The instrument package characterizes the velocity, size distribution, and concentration of the wet droplet emissions and the mass concentration and elemental composition of the dried PM2.5 and PM10 emissions.
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